[OT] OT: Null checks.

[Kagamin]

On Wednesday, 7 May 2025 at 22:31:30 UTC, Walter Bright wrote:
> Well, that use of markdown didn't go well!
>
> Anyhow, I changed my mind. I think the correct change is to 
> just remove the -release switch from the druntime build.

Okay, I use that approach too, but it requires you to distinguish 
between `assert` and `debug assert` and invariants, but druntime 
and phobos were written with an assumption that `assert` has the 
purpose of `debug assert`, so it uses assert for all sorts of 
contract and extensive debug checks.